This past week I sold this Musical Christmas Angel on Etsy
pd. 3.99 sold for 25.00
Then a few days later I got an offer on ebay for this Halloween Scully Singing Plush
paid 2.99, sold for BO 17.99 plus shipping
then the same day I sold this Mickey Light Up Christmas Shirt, I've had it for over a year and tweaked the listing and was going to take it off and give it to my kids the next time it was time to renew it.
paid $2.99, sold for $10, not the highest profit margin, I'm just ready to move some inventory.
So I guess, if you list it, it will sell, no matter what time of year it is.